424172459 has 2 divisors, whose sum is σ = 424172460. Its totient is φ = 424172458.

The previous prime is 424172447. The next prime is 424172461. The reversal of 424172459 is 954271424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424172459 - 2¹² = 424168363 is a prime.

Together with 424172461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424172159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212086229 + 212086230.

It is an arithmetic number, because the mean of its divisors is an integer number (212086230).

Almost surely, 2^424172459 is an apocalyptic number.

424172459 is a deficient number, since it is larger than the sum of its proper divisors (1).

424172459 is an equidigital number, since it uses as much as digits as its factorization.

424172459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 424172459 is about 20595.4475309472. The cubic root of 424172459 is about 751.3589932144.

The spelling of 424172459 in words is "four hundred twenty-four million, one hundred seventy-two thousand, four hundred fifty-nine".